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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { private $private = 'private'; protected $protected = 'protected'; public $public = 'public'; } class bar extends foo { public function __sleep() { return array("\0foo\0private", '\0*\0protected', 'public'); } } var_dump(str_replace("\0", '\0', serialize(new bar())));
Output for 5.5.0 - 7.1.0
Notice: serialize(): "\0*\0protected" returned as member variable from __sleep() but does not exist in /in/7lDpA on line 18 string(100) "O:3:"bar":3:{s:12:"\0foo\0private";s:7:"private";s:14:"\0*\0protected";N;s:6:"public";s:6:"public";}"
Output for 5.0.0 - 5.0.4, 5.1.0 - 5.4.45
string(100) "O:3:"bar":3:{s:12:"\0foo\0private";s:7:"private";s:14:"\0*\0protected";N;s:6:"public";s:6:"public";}"
Output for 5.0.5

Process exited with code 139.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/7lDpA</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/7lDpA</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/7lDpA</b> on line <b>5</b><br />
Process exited with code 255.